Seiko Cal. 5632 - 437

Released in 1989, the Cal. 5632 with design code 437 was part of Seiko's domestic market collection. Powered by the 5632 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-7e03bf083cef]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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